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Perform the pairwise disjointness test for each of the following grammar rules. Your answer should show the FIRST() function for each RHS, and then state whether the LHS rule passes or fails pairwise disjointness by examining all pairs of RHS FIRST()'s. To get you started, the first RHS is: FIRST(aB) = {a} a. A → aB | b | cBB b. B → aB | bA | aBb c. C → aaA | b | caB

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